69 lines
2.2 KiB
Java
69 lines
2.2 KiB
Java
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import com.android.internal.app.IBatteryStats;
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import android.app.Activity;
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import android.os.BatteryStats;
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import android.os.Bundle;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.util.Log;
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import android.widget.TextView;
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public class BatteryHistory extends Activity {
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private static final String TAG = "BatteryHistory";
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TextView mTextView;
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IBatteryStats mBatteryInfo;
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private String getDump(BatteryStats stats) {
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try {
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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PrintWriter pw = new PrintWriter(out, true);
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stats.dumpLocked(null, pw, null);
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pw.flush();
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pw.close();
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out.close();
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return new String(out.toByteArray(), 0);
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} catch (IOException e) {
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return "IOException";
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}
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}
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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Log.i(TAG, "onCreate");
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setContentView(R.layout.battery_history);
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mTextView = (TextView) findViewById(R.id.text);
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mBatteryInfo = IBatteryStats.Stub.asInterface(ServiceManager.getService("batteryinfo"));
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try {
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BatteryStats stats = mBatteryInfo.getStatistics();
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String s = getDump(stats);
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mTextView.setText(s);
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} catch (RemoteException e) {
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mTextView.setText("Got RemoteException");
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Log.e(TAG, "RemoteException:", e);
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}
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}
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}
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